# Quartz

- **Canonical URI:** https://www.vioscale.ai/software/quartz
- **Category:** Cron Scheduling
- **Homepage:** https://www.quartz-scheduler.org
- **Also known as:** quartz
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:18:37.534Z

## Vioscale score

**49 / 100**, confidence 24% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 72.2 | 0.026 | 1.9 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 74.7 | 0.063 | 4.7 | ✓ |
| dev_activity | 41.6 | 0.094 | 3.9 | ✓ |
| release_cadence | 0 | 0.052 | 0 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 58 | 0.042 | 2.4 | ✓ |
| pricing_transparency | 25 | 0.084 | 2.1 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-18, [verify at source](https://www.quartz-scheduler.org). Independently observed._

Open source · Free tier

> Open source, Apache 2.0 license

## About

A Java library that adds scheduling capabilities to applications, allowing developers to define when and how tasks execute—from single recurring operations to thousands of parallel jobs in production environments.

_Independently observed._

## Release history

| Version | Date | Type |
|---|---|---|
| [v2.5.2](https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.2) | 2025-12-01 | stable |
| [v2.5.1](https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.1) | 2025-10-24 | stable |
| [v2.4.1](https://github.com/quartz-scheduler/quartz/releases/tag/v2.4.1) | 2025-10-24 | stable |
| [v2.5.0](https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.0) | 2024-11-12 | stable |
| [v2.4.0](https://github.com/quartz-scheduler/quartz/releases/tag/v2.4.0) | 2024-11-13 | stable |
| [quartz-2.4.0-rc1](https://github.com/quartz-scheduler/quartz/releases/tag/quartz-2.4.0-rc1) | 2023-04-20 | prerelease |
| [v2.3.2](https://github.com/quartz-scheduler/quartz/releases/tag/v2.3.2) | 2019-10-23 | stable |
| [quartz-2.3.1](https://github.com/quartz-scheduler/quartz/releases/tag/quartz-2.3.1) | 2019-03-27 | stable |

## Security & compliance


Known vulnerabilities: 1 (0 in the last 12 months), max severity CRITICAL ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.quartz-scheduler%3Aquartz&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://www.quartz-scheduler.org) | 2026-08-26 | 40% (low) |
| pricing.free_tier | yes | [link](https://www.quartz-scheduler.org) | 2026-08-18 | 60% (medium) |
| pricing.price_level | free | [link](https://www.quartz-scheduler.org) | 2026-08-18 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 20 | [link](https://github.com/quartz-scheduler/quartz/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 6,748 | [link](https://github.com/quartz-scheduler/quartz) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 30,375 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fquartz-scheduler%2Fquartz) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Java | [link](https://github.com/quartz-scheduler/quartz) | 2026-08-26 | 90% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 210 | [link](https://github.com/quartz-scheduler/quartz/releases) | 2026-08-26 | 70% (medium) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/quartz-scheduler/quartz) | 2026-08-26 | 95% (high) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 5.8 | [link](https://api.securityscorecards.dev/projects/github.com/quartz-scheduler/quartz) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.quartz-scheduler%3Aquartz&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.quartz-scheduler%3Aquartz&per_page=100) | 2026-08-26 | 90% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/quartz). Independent, evidence-based software intelligence. Cite the canonical URI.*